🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.1

Radius: 13.6

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.72 AU - 1.12 AU

Year: 599 Days

Day: 9.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,909,612 km

• M1: 169,195 km (0.037 R)
• M2: 598,840 km (0.12 R)
• M3: 1,361,041 km (0.075 R)
• M4: 1,870,422 km (0.076 R)
• M5: 2,632,324 km (0.052 R)
• M6: 3,104,156 km (0.065 R)
• M7: 3,975,713 km (0.042 R)
• M8: 4,889,457 km (0.078 R)
• M9: 6,165,975 km (0.083 R)
• M10: 6,698,245 km (0.113 R)
• M11: 7,133,425 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.2

Radius: 10.3

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.29 AU - 1.93 AU

Year: 1386 Days

Day: 5.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,909,612 km

• M1: 128,205 km (0.104 R)
• M2: 804,388 km (0.084 R)
• M3: 1,162,974 km (0.079 R)
• M4: 1,573,321 km (0.108 R)
• M5: 2,080,009 km (0.097 R)
• M6: 2,903,695 km (0.053 R)
• M7: 3,264,076 km (0.101 R)
• M8: 4,995,372 km (0.1 R)
• M9: 5,742,913 km (0.07 R)
• M10: 6,338,911 km (0.112 R)
• M11: 7,081,514 km (0.03 R)
• M12: 9,302,893 km (0.112 R)
• M13: 10,924,385 km (0.119 R)
• M14: 12,105,310 km (0.103 R)
• M15: 12,925,106 km (0.086 R)
• M16: 14,033,178 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.5

Radius: 14.8

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.74 AU - 1.86 AU

Year: 1638 Days

Day: 7.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,909,612 km

• M1: 184,005 km (0.038 R)
• M2: 747,391 km (0.104 R)
• M3: 1,254,827 km (0.04 R)
• M4: 2,011,493 km (0.108 R)
• M5: 2,645,489 km (0.1 R)
• M6: 3,131,083 km (0.039 R)
• M7: 3,973,020 km (0.107 R)
• M8: 4,448,293 km (0.041 R)
• M9: 5,730,047 km (0.112 R)
• M10: 6,339,958 km (0.075 R)
• M11: 7,169,478 km (0.113 R)
• M12: 7,905,948 km (0.091 R)
• M13: 9,469,246 km (0.1 R)
• M14: 10,455,395 km (0.098 R)
• M15: 11,334,432 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.9

Radius: 12.4

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.8 AU - 1.9 AU

Year: 1707 Days

Day: 11.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,909,612 km

• M1: 154,235 km (0.105 R)
• M2: 550,969 km (0.089 R)
• M3: 1,777,522 km (0.105 R)
• M4: 2,585,650 km (0.095 R)
• M5: 5,505,650 km (0.072 R)
• M6: 6,300,015 km (0.069 R)
• M7: 7,309,950 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.5

Radius: 10

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.91 AU - 2.29 AU

Year: 2064 Days

Day: 6.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,909,612 km

• M1: 124,316 km (0.067 R)
• M2: 485,744 km (0.103 R)
• M3: 833,260 km (0.099 R)
• M4: 1,241,812 km (0.066 R)
• M5: 1,616,704 km (0.112 R)
• M6: 2,164,681 km (0.046 R)
• M7: 2,489,608 km (0.111 R)
• M8: 3,047,009 km (0.063 R)
• M9: 4,310,663 km (0.108 R)
• M10: 5,274,821 km (0.026 R)
• M11: 5,626,526 km (0.096 R)
• M12: 5,968,805 km (0.095 R)
• M13: 7,479,594 km (0.114 R)
• M14: 8,199,609 km (0.085 R)
• M15: 9,365,425 km (0.067 R)
• M16: 10,166,073 km (0.116 R)
• M17: 10,749,505 km (0.103 R)
• M18: 11,393,673 km (0.114 R)
• M19: 14,592,524 km (0.075 R)
• M20: 15,667,834 km (0.053 R)
• M21: 16,845,468 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.3

Radius: 14.6

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.99 AU - 5.03 AU

Year: 7606 Days

Day: 10.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,909,612 km

• M1: 181,612 km (0.116 R)
• M2: 639,830 km (0.067 R)
• M3: 1,535,024 km (0.07 R)
• M4: 2,047,396 km (0.105 R)
• M5: 3,100,565 km (0.071 R)
• M6: 5,071,218 km (0.032 R)
• M7: 5,560,852 km (0.091 R)
• M8: 7,122,803 km (0.097 R)
• M9: 9,680,478 km (0.033 R)
• M10: 11,881,512 km (0.102 R)
• M11: 14,238,576 km (0.099 R)
• M12: 17,497,266 km (0.101 R)
• M13: 17,991,388 km (0.087 R)
• M14: 22,721,673 km (0.085 R)
• M15: 25,215,619 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.7

Radius: 5.9

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.9 AU - 11.98 AU

Year: 21255 Days

Day: 21 Hours

Environment

Temp: -243 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,909,612 km

• M1: 121,025 km (0.081 R)
• M2: 525,238 km (0.046 R)
• M3: 1,155,644 km (0.092 R)
• M4: 3,663,053 km (0.077 R)
• M5: 5,156,938 km (0.111 R)
• M6: 5,413,199 km (0.089 R)
• M7: 6,056,021 km (0.115 R)
• M8: 10,401,241 km (0.044 R)
• M9: 12,615,289 km (0.118 R)
• M10: 18,389,767 km (0.093 R)
• M11: 21,187,247 km (0.107 R)
• M12: 24,524,327 km (0.108 R)
• M13: 29,192,828 km (0.11 R)
• M14: 35,215,040 km (0.113 R)
• M15: 37,076,486 km (0.109 R)
• M16: 40,490,010 km (0.104 R)
• M17: 41,247,873 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 13,600 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit